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AIIMS2010ChemistryStates of Matter

Two flasks X and Y have capacity 1 ~L and 2 ~L respectively and each of them contains 1 mole of a gas. The temperatures of the flasks are so adjusted that average speed of molecules in X is twice as those in Y . The pressure in flask X would be

Options

  1. Asame as that in Y
  2. Bhalf of that in Y
  3. Ctwice of that in Y
  4. D8 times of that in Y .

Correct answer

D. 8 times of that in Y .

Step-by-step solution

P= 1 3 m n u^2 V P_X P_Y = n_X u_X V_Y n_Y u_Y V_x = (N₀ / 1000 ) (N₀ / 2000 ) 2 2 1 =8

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